[   69.119189][ T2059] br0: port 1(dummy0) entered blocking state
[   69.119609][ T2059] br0: port 1(dummy0) entered disabled state
[   69.119888][ T2059] dummy0: entered allmulticast mode
[   69.121578][ T2059] dummy0: entered promiscuous mode
[   69.147052][ T2060] br0: port 1(dummy0) entered blocking state
[   69.147338][ T2060] br0: port 1(dummy0) entered forwarding state
[   71.397588][   T12] dummy0: left allmulticast mode
[   71.397952][   T12] dummy0: left promiscuous mode
[   71.400301][   T12] br0: port 1(dummy0) entered disabled state